Hydnocystis

Hydnocystis is a genus of truffle-like fungi in the family Pyronemataceae. A number of species in this genus have been transferred to other genera, and as of 2017, only two are undisputedly a part of this genus, H. piligera and H. japonica. Stephensia is treated by some as a synonym of this genus.^[1]

Hydnocystis
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Pezizomycetes
Order:	Pezizales
Family:	Pyronemataceae
Genus:	Hydnocystis Tul. (1844)
Type species
Hydnocystis arenaria Tul. & C.Tul. (1844)
Species
H. arenaria H. beccarii H. californica H. clausa H. convoluta H. echinospora H. japonica H. piligera H. singeri H. transitoria